Comments on In robocall, Marco Rubio backs embattled friend David RiveraTypePad2012-10-30T17:58:11ZMiami Heraldhttp://miamiherald.typepad.com/nakedpolitics/tag:typepad.com,2003:http://miamiherald.typepad.com/nakedpolitics/2012/10/in-robocall-marco-rubio-backs-embattled-friend-david-rivera/comments/atom.xml/BM commented on 'In robocall, Marco Rubio backs embattled friend David Rivera'tag:typepad.com,2003:6a00d83451b26169e2017d3d1ee662970c2012-10-30T18:01:59Z2012-10-30T18:02:11ZBMReason #64512 that Marco Rubio will never be a credible Presidential candidate.<p>Reason #64512 that Marco Rubio will never be a credible Presidential candidate.</p>